.banner-container {
  position: relative;
  width: 1226px;
  height: 460px;
  margin: 0 auto;
}

.banner-list img {
  width: 100%;
  height: 100%;
}

.banner-menu {
  position: absolute;
  top: 0;
  left: 0;
  width: 234px;
  height: 460px;
  background-color: rgba(105, 101, 101, 0.6);
}

.banner-menu ul {
  margin: 20px 0;
}

.banner-menu li {
  display: block;
  width: 100%;
  height: 42px;
  line-height: 42px;
  color: #fff;
  text-indent: 2em;
  font-size: 14px;
  cursor: pointer;
}

.banner-menu i {
  float: right;
  margin-right: 20px;
  font-size: 12px;
  color: #e0e0e0;
}

.banner-menu li:hover {
  background-color: #ff6700;
}

.banner-menu-pop {
  position: absolute;
  top: 2px;
  left: 234px;
  width: 992px;
  height: 459px;
  background-color: #fff;
  /* box-shadow: 0 10px 10px rgba(201, 201, 201, 0.5); */
  overflow: hidden;
  border: 1px solid #e0e0e0;
  background-color: transparent;
  display: none;
  box-shadow: 0 15px 30px rgb(0 0 0 / 10%);
  transform: translate3d(0, -2px, 0);
}

.banner-menu li:hover .banner-menu-pop {
  display: block;
}

.banner-menu-pop ul {
  float: left;
  width: 248px;
  height: 100%;
  margin: 0;
  background-color: #fff;
}

.banner-menu-pop li {
  width: 248px;
  height: 76px;
  line-height: 76px;
  background-color: #fff;
  color: #000;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.banner-menu-pop li:hover {
  background-color: #fff;
  color: #ff6700;
}

.banner-menu-pop img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
  vertical-align: middle;
}

.banner-btn button {
  width: 40px;
  height: 70px;
  background-color: transparent;
  color: rgba(123, 119, 116, 0.5);
  border: none;
  border-radius: 2px;
  cursor: pointer;
}

.banner-btn-left {
  position: absolute;
  top: calc(50% - 35px);
  left: 235px;
}

.banner-btn-left:hover {
  background-color: rgba(1, 1, 1, 0.5);
  color: #fff;
}

.banner-btn i {
  font-size: 30px;
  font-weight: 600;
}

.banner-btn-right {
  position: absolute;
  top: calc(50% - 35px);
  right: 0;
}

.banner-btn-right:hover {
  background-color: rgba(1, 1, 1, 0.5);
  color: #fff;
}

.banner-btn ul {
  position: absolute;
  bottom: 20px;
  right: 30px;
}

.banner-btn li {
  width: 8px;
  height: 8px;
  background-color: #888;
  border: 2px solid #aaa;
  border-radius: 50%;
  margin-right: 5px;
  cursor: pointer;
}

.banner-btn ul .select {
  background-color: #fff;
}